Improvement in automatic boiler-feeders



Ntra STATES ArtNr IMPROVEMENT IN AUTOMATIC BOILER-FEEDERS.

Specification forming part of Letters Patent No. 52,376, dated January30, 1866.

To all whom t may concern:

Be it known that I, EMMETT QUINN, ofthe city of Washington, DistrictofColumbia, have invented a new and Improved Device for Feeding Water intoSteam-Boilers, and for other analagous uses; and I do hereby declarethat the following is a full and exact description thereof, referencebeing had to the accompanying drawings, and to the letters of referen cemarked thereon.

This device is intended to be applied to the boiler, or to a tubeconnecting therewith, in such a manner that the water is conveyed to theinside thereof and maintained while working at the level desired 5 andit consists of an outer and inner tube, which may be cylindrical orotherwise, and both supplied at each end with ports or openings soarranged that when applied to a boiler the induction-ports on theoutside thcreot' shall be closed when in operation, before theeduction-ports on the end inside the boiler or connecting therewithshall be opened for the discharge of the water therein.

To enable others skilled in the art to make andnse my invention, I willproceed to describe its construction and operation.

A, Figure 1, shows a section of the outer shell of a steam-boiler,through which is inserted the inner end, C, of the outer tube or case,B, the outer ports, a, of which are shown open, or corresponding in.position with the ports a in the inner tube, D, Fig. 2.

The inner port, b, in the case or tube Bis represented in the drawingsas closed, the dotted outline o, Fig. l, showing the location ot' theport in the inner tube, and in a plane at right angles radially to theports a', as shown in Fig. 2.

Theinteriorot' the outer tube or case and the outside of the inner oneare slightly tapering, so that when by use they become loose they can betightened by means of the set-screw e, Fig. 1.

The inner tube, D, is closed at both ends, as seen at t' and j, and isoperated by means ot' the lever d.

The water is supplied to the outer ports, a, by' any convenient method,by which the tube D is lled and then turned by the lever d oneourth arevolution, by which the ports c ot' the inner tube are brought tocorrespond in position with that of b in the case inside ot' the boilerand the water discharged therein.

An air-chamber may be placed over and connecting with the upper outsideport, a, to receive any air that may escape from the boiler when beingfilled while cold.

It is evident that the ports could be so arranged as to accomplish thesame result by a longitudinal instead ot a rotary movement, as shown inFig. 3, E of which is the outer shell or case, and fg the ports therein,and F the inner case or tube, one port ot' which corresponds with f, theother shown in dotted line at It. This arrangement is believed, however,

' to be inferior to the iirst one described, and is not claimed atpresent, but may constitute the subject of another application.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

A hollow interior tube, cylindrical or otherwise, inclosed and fittingneatly within a suitable case, both tube and case provided at orr

